\\[-1.8ex] Soil Heterogeneity & $-$0.284 & $-$0.245 & $-$0.249 & $-$0.277 & $-$0.403 & $-$0.325 \\ 
  & (0.375) & (0.256) & (0.263) & (0.260) & (0.258) & (0.248) \\ 
  & & & & & & \\ 
 High Learning Potential & 0.651$^{*}$ & 0.847$^{***}$ & 0.746$^{***}$ & 0.699$^{***}$ & 0.679$^{***}$ & 0.678$^{***}$ \\ 
  & (0.340) & (0.268) & (0.256) & (0.252) & (0.249) & (0.241) \\ 
  & & & & & & \\ 
 \multirow[t]{2}{*}{\makecell[l]{Soil Heterogeneity $\times$ \\ \quad High Learning Potential}} & $-$1.171$^{**}$ & $-$1.137$^{***}$ & $-$0.888$^{**}$ & $-$0.858$^{**}$ & $-$0.605 & $-$0.640$^{*}$ \\ 
  & (0.497) & (0.404) & (0.373) & (0.371) & (0.370) & (0.356) \\ 
  & & & & & & \\ 
\\[-1.8ex] 
Observations & 8,983 & 8,983 & 8,983 & 8,983 & 8,983 & 8,971 \\ 
R$^{2}$ & 0.004 & 0.279 & 0.293 & 0.295 & 0.297 & 0.302 \\ 
